iplink: bridge: add support for IFLA_BR_MCAST_ROUTER
This patch implements support for the IFLA_BR_MCAST_ROUTER attribute
in iproute2 so it can change the multicast router value.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 9a8924c..7a945ed 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -33,6 +33,7 @@
" [ vlan_filtering VLAN_FILTERING ]\n"
" [ vlan_protocol VLAN_PROTOCOL ]\n"
" [ vlan_default_pvid VLAN_DEFAULT_PVID ]\n"
+ " [ mcast_router MULTICAST_ROUTER ]\n"
"\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
);
@@ -140,6 +141,14 @@
addattr16(n, 1024, IFLA_BR_VLAN_DEFAULT_PVID,
default_pvid);
+ } else if (matches(*argv, "mcast_router") == 0) {
+ __u8 mcast_router;
+
+ NEXT_ARG();
+ if (get_u8(&mcast_router, *argv, 0))
+ invarg("invalid mcast_router", *argv);
+
+ addattr8(n, 1024, IFLA_BR_MCAST_ROUTER, mcast_router);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@@ -277,6 +286,10 @@
RTA_PAYLOAD(tb[IFLA_BR_GROUP_ADDR]),
1 /*ARPHDR_ETHER*/, mac, sizeof(mac)));
}
+
+ if (tb[IFLA_BR_MCAST_ROUTER])
+ fprintf(f, "mcast_router %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_ROUTER]));
}
static void bridge_print_help(struct link_util *lu, int argc, char **argv,